EP 4208649 A1 20230712 - CONCRETE SCREW AND METHOD FOR PRODUCING THE CONCRETE SCREW
Title (en)
CONCRETE SCREW AND METHOD FOR PRODUCING THE CONCRETE SCREW
Title (de)
BETONSCHRAUBE UND VERFAHREN ZUR HERSTELLUNG DER BETONSCHRAUBE
Title (fr)
VIS À BÉTON ET PROCÉDÉ DE FABRICATION DE LA VIS À BÉTON
Publication
Application
Priority
- DE 102020122776 A 20200901
- EP 2021072770 W 20210817
Abstract (en)
[origin: WO2022048902A1] The invention relates to a concrete screw (1) for screwing into a drilled hole (2) in a component (3) made of concrete. On a main body (5) of the concrete screw (1) there is a first, metallic anti-corrosion layer, and on this anti-corrosion layer there is a second, organic anti-corrosion layer. According to the invention, a matrix of the second, organic anti-corrosion layer contains a friction-reducing lubricant.
IPC 8 full level
F16B 25/00 (2006.01); B05D 5/08 (2006.01); C23C 28/00 (2006.01); F16B 33/00 (2006.01)
CPC (source: EP)
C23C 8/02 (2013.01); C23C 8/32 (2013.01); C23C 8/56 (2013.01); C23C 8/76 (2013.01); C23C 8/80 (2013.01); C23C 28/00 (2013.01); C23C 28/30 (2013.01); C23C 28/3225 (2013.01); F16B 25/0026 (2013.01); F16B 33/008 (2013.01); B05D 5/08 (2013.01); B05D 2202/10 (2013.01); B05D 2350/65 (2013.01); B05D 2504/00 (2013.01); B05D 2601/28 (2013.01)
Citation (search report)
See references of WO 2022048902A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102020122776 A1 20220303; CN 116018465 A 20230425; EP 4208649 A1 20230712; WO 2022048902 A1 20220310
DOCDB simple family (application)
DE 102020122776 A 20200901; CN 202180053635 A 20210817; EP 2021072770 W 20210817; EP 21763319 A 20210817